1)the shop had sold the table by the time i got there или the shop had been selling the table by the time i got there! ? 2)we had been living in the house for a year before we decorated the kitchen или we had lived in the house for a year before we decorated the kitchen? ! 3)we had been finishing the work by the time the meeting began или we had finished the work by the time the meeting began? ! объясните почему,то или иное! заранее ! 34 !
2. had been living
3. had finished
В первом и третьем предложении первое действие уже закончилось до того как началось второе.
Во втором же, первое действие началось и длилось какое то время, то есть год в данном случае, когда произошло второе.